Simple Machines Forum is a free, professional grade software package that allows you to set up your own online community within minutes.
vBulletin is a professional, affordable community forum solution. Thousands of clients, including many industry leading blue chip companies, have chosen vBulletin - It's the ideal choice for any size of community.
vBulletin is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, SMF is clearly lagging behind, losing to vBulletin in all segments.
vBulletin has better usage coverage in more websites categories. Including Computers Electronics & Technology, Vehicles, Games, Arts & Entertainment and 12 other categories.
SMF is leading in Science & Education, E-commerce & Shopping, Law & Government, Home & Garden and 2 other categories.
vBulletin is leading in most countries, including United States, Germany, Egypt, Vietnam and 59 other countries.
SMF is leading in Russia, Thailand, Poland, France and 58 other countries.